. Elements of zoölogy. Zoology. 30 GORGONIAS. Value.—Eighty thousand pounds have been collected in one year. In 1873 Algeria alone employed 311 vessels and 3,150 men, realizing $565,000. The entire yearly collection is valued at over $1,000,000. Sea-Fans {Gorgonias).—The Gorgonias (Fig. 28) grow- in the shape of fans or plumes, branching like trees and shrubs. The stock secreted is either horny or calcareous. Those of the Florida reef are often three feet high and two wide, while the Primnoa, found on the Banks of New-. Fig. 28.—Sea-fan. foundland, grows to a height of over five feet, the bran
. Elements of zoölogy. Zoology. 30 GORGONIAS. Value.—Eighty thousand pounds have been collected in one year. In 1873 Algeria alone employed 311 vessels and 3,150 men, realizing $565,000. The entire yearly collection is valued at over $1,000,000. Sea-Fans {Gorgonias).—The Gorgonias (Fig. 28) grow- in the shape of fans or plumes, branching like trees and shrubs. The stock secreted is either horny or calcareous. Those of the Florida reef are often three feet high and two wide, while the Primnoa, found on the Banks of New-. Fig. 28.—Sea-fan. foundland, grows to a height of over five feet, the branches or stem being as thick as a boy's arm. Their surfaces are network, through which are delicate canals connect- ing the animals. On the Gorgonia fiabellum lives a shell of the same color—a curious case of mimicry. Value.—They are made into whips, canes, etc. Sea-Pens {Pennatulidce).—The sea-pens are fixed or free-swimming polyps. A gigantic one (U7?ibellnlarid), four feet high, lives in the Arctic regions, a mile and a half from the surface; another, ten inches long (Veretil-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Holder, Charles Frederick, 1851-1915; Holder, Joseph Bassett, 1824-1888, joint author. New York : D. Appleton and company
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
